Bluetooth Version: V4.2+EDR
Driver UnitΦ40mm
Impedance: 32Ω
Sensitivity: 105 ±3dB
Materials: ABS
Receiver Distance: Up to 10 meters
Music Time: Up to 10 hours
Charging Time:2 hours
Support: TF/Micro-SD card
Battery:Rechargeble Lithium-battery(3.7V/400mAh)
Features:Bluetooth, Calling,AUX, USB,Sensitivity Microphone,Volume Control
Clours:Black-blue(dark/light), Black-red, Black-purple, Black-gray, Black-green, Black-orange